export interface SessionData {
    sessionId?: string;
    token?: string;
    cookies?: string[];
    expiresAt?: number;
    deviceId?: string;
    terminalUuid?: string;
}
export interface SessionOptions {
    sessionTimeout?: number;
    refreshThreshold?: number;
    maxRefreshAttempts?: number;
}
export declare enum SessionState {
    DISCONNECTED = "disconnected",
    CONNECTING = "connecting",
    CONNECTED = "connected",
    EXPIRED = "expired",
    ERROR = "error"
}
/**
 * Manages device sessions and session lifecycle
 * Single responsibility: Session state and lifecycle management
 */
export declare class SessionManager {
    private sessionData;
    private sessionState;
    private refreshPromise;
    private readonly options;
    constructor(options?: SessionOptions);
    /**
     * Initialize a new session
     */
    initializeSession(sessionData: SessionData): Promise<void>;
    /**
     * Get current session data
     */
    getSessionData(): Readonly<SessionData>;
    /**
     * Get current session state
     */
    getSessionState(): SessionState;
    /**
     * Check if session is valid and not expired
     */
    isSessionValid(): boolean;
    /**
     * Check if session needs refresh (close to expiry)
     */
    needsRefresh(): boolean;
    /**
     * Refresh session if needed
     */
    refreshSessionIfNeeded(refreshFunction: () => Promise<SessionData>): Promise<void>;
    /**
     * Update session data
     */
    updateSession(sessionData: Partial<SessionData>): void;
    /**
     * Invalidate current session
     */
    invalidateSession(): void;
    /**
     * Mark session as expired
     */
    markExpired(): void;
    /**
     * Check if specific session error indicates session expiry
     */
    isSessionError(error: Error): boolean;
    /**
     * Handle session error and update state accordingly
     */
    handleSessionError(error: Error): void;
    /**
     * Get session headers for requests
     */
    getSessionHeaders(): Record<string, string>;
    /**
     * Perform session refresh
     */
    private performRefresh;
}